1 files changed, 12 insertions, 0 deletions
diff --git a/cppawk.1 b/cppawk.1
index 42902a6..fc86e38 100644
--- a/cppawk.1
+++ b/cppawk.1
@@ -97,6 +97,18 @@ Options which match these patterns are passed to the
 program instead of
 .BR awk .
 
+.SH STANDARD HEADERS
+.B cppawk
+points the preprocessor to look for
+.BI "#include <...>"
+files in its own directory. The
+.BI "<stdver.h>"
+header defines a preprocessor symbol
+.BI __cppawk_ver
+whose value is a decimal integer the form
+.IR YYYYMMDD ,
+such as 20220318.
+
 .SH EXAMPLES
 Print the larger of field 1 or 2: